If I held all the thoughts of the world in my hand, I would be careful not to open it.

There is nothing one sees oftener than the ridiculous and magnificent, such close neighbors that they touch.

An educated mind is, as it were, composed of all the minds of preceding ages.

It is the passions that do and undo everything.

Women react differently: a French woman who sees herself betrayed by her husband will kill his mistress; an Italian will kill her husband; a Spaniard will kill both; and a German will kill herself.

Since the princes take the Earth for their own, it's fair that the philosophers reserve the sky for themselves and rule there, but they should never permit the entry of others.

Our sun enlightens the planets that belong to him; why may not every fixed star also have planets to which they give light?